Fig. 1.

Serological responses to BNT162b2 vaccination in transplant recipients and healthy controls (n = 50 each): IgG-Antibodies. Samples drawn 21 days after the prime (blue dots) and the booster dose (orange dots). Scatter plots show: A Anti-SARS-CoV-2 IgG, given in binding antibody units per ml ([BAU/ml]; Abbott). B Anti-SARS-CoV-2 IgG, given in Units per ml ([U/ml]; RocheElecsys). C Anti-SARS-CoV-2 IgG, given in Relative Units per ml [(RU/ml); Euroimmun]. Statistical analysis was by Mann–Whitney Test. Horizontal solid lines show Medians. Horizontal dotted lines show cut-off values according to manufacturers. ns non-significant, IgG immunoglobulin G